java.lang.ClassCastException

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  • Issue while building project in scalaide
    via Stack Overflow by skm
    ,
    • java.lang.ClassCastException: org.eclipse.core.internal.resources.File cannot be cast to org.eclipse.core.resources.IContainer at org.scalaide.core.internal.project.ScalaProject$$anonfun$sourceOutputFolders$2$$anonfun$apply$7.apply(ScalaProject.scala:242) at org.scalaide.core.internal.project.ScalaProject$$anonfun$sourceOutputFolders$2$$anonfun$apply$7.apply(ScalaProject.scala:232) at scala.Option$WithFilter.map(Option.scala:207) at org.scalaide.core.internal.project.ScalaProject$$anonfun$sourceOutputFolders$2.apply(ScalaProject.scala:232) at org.scalaide.core.internal.project.ScalaProject$$anonfun$sourceOutputFolders$2.apply(ScalaProject.scala:231) at scala.collection.TraversableLike$WithFilter$$anonfun$flatMap$2.apply(TraversableLike.scala:714) at scala.collection.immutable.List.foreach(List.scala:381) at scala.collection.TraversableLike$WithFilter.flatMap(TraversableLike.scala:713) at org.scalaide.core.internal.project.ScalaProject.sourceOutputFolders(ScalaProject.scala:231) at org.scalaide.core.internal.project.ScalaProject.initializeCompilerSettings(ScalaProject.scala:478) at org.scalaide.core.internal.project.ScalaProject.org$scalaide$core$internal$project$ScalaProject$$prepareCompilerSettings(ScalaProject.scala:435) at org.scalaide.core.internal.project.ScalaProject$$anonfun$5.apply(ScalaProject.scala:159) at org.scalaide.core.internal.project.ScalaProject$$anonfun$5.apply(ScalaProject.scala:159) at org.scalaide.core.internal.compiler.PresentationCompilerProxy.liftedTree1$1(PresentationCompilerProxy.scala:152) at org.scalaide.core.internal.compiler.PresentationCompilerProxy.create(PresentationCompilerProxy.scala:151) at org.scalaide.core.internal.compiler.PresentationCompilerProxy.initialize(PresentationCompilerProxy.scala:116) at org.scalaide.core.internal.compiler.PresentationCompilerProxy.obtainPc$1(PresentationCompilerProxy.scala:78) at org.scalaide.core.internal.compiler.PresentationCompilerProxy.internal(PresentationCompilerProxy.scala:98) at org.scalaide.core.internal.jdt.model.ScalaCompilationUnit$class.addToIndexer(ScalaCompilationUnit.scala:157) at org.scalaide.core.internal.jdt.model.ScalaSourceFile.addToIndexer(ScalaSourceFile.scala:66) at org.scalaide.core.internal.jdt.search.ScalaSourceIndexer$$anonfun$indexDocument$2.apply(ScalaSourceIndexer.scala:16) at org.scalaide.core.internal.jdt.search.ScalaSourceIndexer$$anonfun$indexDocument$2.apply(ScalaSourceIndexer.scala:16) at scala.Option.map(Option.scala:146) at org.scalaide.core.internal.jdt.search.ScalaSourceIndexer.indexDocument(ScalaSourceIndexer.scala:16) at scala.tools.eclipse.contribution.weaving.jdt.indexerprovider.IndexerProviderAspect.ajc$around$scala_tools_eclipse_contribution_weaving_jdt_indexerprovider_IndexerProviderAspect$1$16276a3c(IndexerProviderAspect.aj:30) at org.eclipse.jdt.internal.core.search.JavaSearchParticipant.indexDocument(JavaSearchParticipant.java:71) at org.eclipse.jdt.internal.core.search.indexing.IndexManager.indexDocument(IndexManager.java:504) at org.eclipse.jdt.internal.core.search.indexing.IndexManager$1.execute(IndexManager.java:984) at org.eclipse.jdt.internal.core.search.processing.JobManager.run(JobManager.java:405) at java.lang.Thread.run(Thread.java:745)
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